HP XP P9000 Continuous Access Journal for Mainframe Systems User Guide
2 Requirements and specifications
This chapter provides system requirements for Continuous Access Journal Z.
System requirements
Continuous Access Journal Z operations are performed from the primary system to the secondary
system, which contain the Cnt Ac-J Z P-VOLs, S-VOLs, and master and restore journal volumes.
Copy operations are carried out via the data path.
General requirements for these and all Cnt Ac-J Z components are listed below.
Table 1 General system requirements
RequirementItem
Two—one at the local site, one at the remote site.Number of P9500 systems
A maximum of four P9500 systems can be used at each site, and any combination
— from one to four storage systems on one or both sites — can be used:
P9500 is required at the primary or secondary site. Any of the following can be
paired with it:
Storage systems at primary and
secondary sites
• P9500 (70-01-01-xx/xx or later)
• XP24000/XP20000 Disk Array (60-07-51-xx/xx or later)
• XP12000 Disk Array/XP10000 Disk Array (50-09-98-xx/xx or later)
See previous item; see also (page 36).Previous model storage systems
supported
Continuous Access Journal Z
• Must be installed on primary and secondary P9500 systems.
• License keys required.
• Cnt Ac-J and Cnt Ac-J Z can coexist in the same storage system.
• For information on expired licenses or exceeding licensed capacity, see the HP
P9000 Remote Web Console User Guide.
Other licenses required
Interfaces
• Remote Web Console:
Must be LAN-attached to the primary system.◦
◦ Not required on the secondary system, but recommended in order to change
Cnt Ac-J Z parameters and access the S-VOL for disaster recovery and
maintenance.
◦ The following roles are required:
Storage Administrator (Remote Copy), to perform pair operations
Storage Administrator (System Resource Management), to configure settings
• Business Continuity Manager
◦ - Optional
◦ - Command device required
The track format for the P-VOL and S-VOL must meet the following requirements:Disk Track Format
• The Cnt Ac-S Z P-VOL and S-VOL must have the same track format.
• Record zero (R0) must be standard format, with key length of zero and data
length of eight. The primary system aborts the initial copy operation if R0 is not
standard format.
16 Requirements and specifications